/*
 * Copyright 2015 GenerallyCloud.com
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ 
package com.generallycloud.nio.protocol;

import java.io.IOException;

import com.generallycloud.nio.buffer.ByteBufAllocator;

public interface ProtocolEncoder {

	/**
	 * 注意：encode失败要release掉encode过程中申请的内存
	 * @param channel
	 * @param future
	 * @return
	 * @throws IOException
	 */
	public abstract ChannelWriteFuture encode(ByteBufAllocator allocator,ChannelReadFuture future) throws IOException;

}
